OpenTechnical

OT-2026-000005034

Publication integrity record

Porous face vacuum gripper, two outlet manifold, pump fed, contact triggered

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000005034) never changes.

Identity and time

Publication numberOT-2026-000005034 · never reused
Internal UUID01a0a92b-bab1-76df-a76d-ecadb6a18e8b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:43:30.485036Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005034
StatusPUBLIC

Content hashes

Canonical text932d049d61272b5981cc22fc483355ad449effd4d7727ab07de2db34e5982343
Markdowndae420af1021709b49e8af8db84ec3ad5251178d3b78cd8106025e337bccc9b7
PDF
Publication page1a94e3b1e5ba5e703ea3f9897a1d9f41d0f1301409567fe256a9a514bbd71e14
Manifest8d8b482f1db309c804e5c76cbbfe6f52a53a6a4365df63f410eba49f6565a004

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureRK/30ywCFE94OQjFZgJTgJJJKS2btuGtEw8osqKdfsPqQxra9Upk/qzOccAN2rLqC19IhOKluIqHGwjbmIneDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:50:22.673572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005034
observed 1a94e3b1e5ba5e703ea3f9897a1d9f41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.659259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005034/manifest.json
observed 8d8b482f1db309c804e5c76cbbfe6f52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.645183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005034/publication.md
observed dae420af1021709b49e8af8db84ec3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:22.622949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005034/publication.txt
observed 932d049d61272b5981cc22fc483355ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.